Protoactinium is valid Scrabble Word

Is protoactinium a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is protoactinium valid Words with Friends?
Words with Friends NO

Definitions for PROTOACTINIUM in dictionary:

Words related to PROTOACTINIUM

protoactiniums20

Words that contain PROTOACTINIUM

protoactiniums20
Find what other words can be done using letters: "protoactinium"
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